389941660

素因数分解:

$2^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{313}}^1\times {\mathrm{373}}^1$

素因数の和:862

約数の個数: 48

約数和(自身を含む): 828628416

約数和(自身を除く): 438686756

約数列:

[1, 2, 4, 5, 10, 20, 167, 313, 334, 373, 626, 668, 746, 835, 1252, 1492, 1565, 1670, 1865, 3130, 3340, 3730, 6260, 7460, 52271, 62291, 104542, 116749, 124582, 209084, 233498, 249164, 261355, 311455, 466996, 522710, 583745, 622910, 1045420, 1167490, 1245820, 2334980, 19497083, 38994166, 77988332, 97485415, 194970830, 389941660]

約数ペア:

[(1, 389941660), (2, 194970830), (4, 97485415), (5, 77988332), (10, 38994166), (20, 19497083), (167, 2334980), (313, 1245820), (334, 1167490), (373, 1045420), (626, 622910), (668, 583745), (746, 522710), (835, 466996), (1252, 311455), (1492, 261355), (1565, 249164), (1670, 233498), (1865, 209084), (3130, 124582), (3340, 116749), (3730, 104542), (6260, 62291), (7460, 52271)]